Pedro IV da Bulgária

Peter IV of Bulgaria - Bulgarian emperor. Article “Pedro IV da Bulgária” in Portuguese Wikipedia has 14.7 points for quality (as of July 1, 2026). The article contains 2 references and 7 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 0.77 points.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Portuguese) language version.

Since the creation of article “Pedro IV da Bulgária”, its content was written by 12 registered users of Portuguese Wikipedia and edited by 400 registered Wikipedia users in all languages.

The article is cited 77 times in Portuguese Wikipedia and cited 1599 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Portuguese): #14386 in January 2015
• Global: #9848 in June 2025

The highest popularity rank from 2008:

• Local (Portuguese): #172219 in May 2015
• Global: #423410 in March 2015

There are 32 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) Peter II of Bulgaria		82.0849
2	Turkish (tr) II. Petır		81.4866
3	Chinese (zh) 彼得二世 (保加利亚)		77.4816
4	Greek (el) Πέτρος Δ΄ της Βουλγαρίας		70.1213
5	Spanish (es) Pedro II de Bulgaria		61.044
6	Thai (th) ซาร์แปเตอร์ที่ 2 แห่งบัลแกเรีย		42.7856
7	Catalan (ca) Pere IV Assèn de Bulgària		30.5952
8	Polish (pl) Teodor-Piotr		28.0451
9	Hungarian (hu) II. Péter bolgár cár		26.9176
10	Bulgarian (bg) Петър IV		25.7745

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "Pedro IV da Bulgária" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Peter II of Bulgaria		185 657
2	Bulgarian (bg) Петър IV		180 575
3	Russian (ru) Пётр IV (царь Болгарии)		54 538
4	Polish (pl) Teodor-Piotr		27 520
5	Spanish (es) Pedro II de Bulgaria		17 588
6	French (fr) Pierre IV (tsar de Bulgarie)		14 204
7	Romanian (ro) Petru al IV-lea al Bulgariei		12 170
8	Japanese (ja) ペタル4世		11 952
9	Greek (el) Πέτρος Δ΄ της Βουλγαρίας		8 038
10	German (de) Peter IV. (Bulgarien)		7 033

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "Pedro IV da Bulgária" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Peter II of Bulgaria		1 092
2	Chinese (zh) 彼得二世 (保加利亚)		404
3	Russian (ru) Пётр IV (царь Болгарии)		353
4	Bulgarian (bg) Петър IV		339
5	Romanian (ro) Petru al IV-lea al Bulgariei		100
6	Japanese (ja) ペタル4世		99
7	Spanish (es) Pedro II de Bulgaria		86
8	Turkish (tr) II. Petır		66
9	French (fr) Pierre IV (tsar de Bulgarie)		55
10	German (de) Peter IV. (Bulgarien)		51

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "Pedro IV da Bulgária" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Peter II of Bulgaria		69
2	French (fr) Pierre IV (tsar de Bulgarie)		40
3	Bulgarian (bg) Петър IV		37
4	Russian (ru) Пётр IV (царь Болгарии)		35
5	Dutch (nl) Peter IV van Bulgarije		19
6	German (de) Peter IV. (Bulgarien)		18
7	Italian (it) Pietro IV di Bulgaria		18
8	Hebrew (he) פטר הרביעי, קיסר בולגריה		13
9	Polish (pl) Teodor-Piotr		13
10	Spanish (es) Pedro II de Bulgaria		12

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "Pedro IV da Bulgária" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	English (en) Peter II of Bulgaria		1
2	Azerbaijani (az) IV Pyotr		0
3	Belarusian (be) Пётр IV (цар балгарскі)		0
4	Bulgarian (bg) Петър IV		0
5	Catalan (ca) Pere IV Assèn de Bulgària		0
6	Czech (cs) Petr II. Bulharský		0
7	German (de) Peter IV. (Bulgarien)		0
8	Greek (el) Πέτρος Δ΄ της Βουλγαρίας		0
9	Spanish (es) Pedro II de Bulgaria		0
10	Basque (eu) Petri IV.a Bulgariakoa		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "Pedro IV da Bulgária" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Peter II of Bulgaria		160
2	Bulgarian (bg) Петър IV		130
3	Russian (ru) Пётр IV (царь Болгарии)		118
4	Ukrainian (uk) Петро IV (цар Болгарії)		102
5	French (fr) Pierre IV (tsar de Bulgarie)		90
6	Greek (el) Πέτρος Δ΄ της Βουλγαρίας		83
7	Italian (it) Pietro IV di Bulgaria		83
8	Portuguese (pt) Pedro IV da Bulgária		77
9	Turkish (tr) II. Petır		75
10	Serbian (sr) Петар IV		72

More...

#	Language	Value
az	Azerbaijani IV Pyotr
be	Belarusian Пётр IV (цар балгарскі)
bg	Bulgarian Петър IV
ca	Catalan Pere IV Assèn de Bulgària
cs	Czech Petr II. Bulharský
de	German Peter IV. (Bulgarien)
el	Greek Πέτρος Δ΄ της Βουλγαρίας
en	English Peter II of Bulgaria
es	Spanish Pedro II de Bulgaria
eu	Basque Petri IV.a Bulgariakoa
fr	French Pierre IV (tsar de Bulgarie)
he	Hebrew פטר הרביעי, קיסר בולגריה
hu	Hungarian II. Péter bolgár cár
id	Indonesian Peter II dari Bulgaria
it	Italian Pietro IV di Bulgaria
ja	Japanese ペタル4世
ko	Korean 토도르페터르
la	Latin Theodorus Petrus
nl	Dutch Peter IV van Bulgarije
pl	Polish Teodor-Piotr
pt	Portuguese Pedro IV da Bulgária
ro	Romanian Petru al IV-lea al Bulgariei
ru	Russian Пётр IV (царь Болгарии)
sk	Slovak Peter IV. (Bulharsko)
sl	Slovenian Peter IV. Bolgarski
sr	Serbian Петар IV
sv	Swedish Theodor-Peter av Bulgarien
th	Thai ซาร์แปเตอร์ที่ 2 แห่งบัลแกเรีย
tr	Turkish II. Petır
uk	Ukrainian Петро IV (цар Болгарії)
vi	Vietnamese Petăr IV của Bulgaria
zh	Chinese 彼得二世 (保加利亚)

Best Rank

Portuguese: #172219 05.2015

Global: #423410 03.2015

Best Rank

Portuguese: #14386 01.2015

Global: #9848 06.2025

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In Portuguese Wikipedia the most popular articles on that day were: Erling Haaland, República Democrática do Congo, Romelu Lukaku, Copa do Mundo FIFA de 2026, Kylian Mbappé, Senegal, Copa do Mundo FIFA, Lista de artilheiros da Copa do Mundo FIFA, Harry Kane, Carlo Ancelotti.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information